The only reason (luke hemmings fanfic)(trigger warning)

Brooklyn has been depressed for months. over the course of these months her days have started to blur together into a constant cycle of crying, cutting and pretending everything's fine. She's known Luke for as long as she can remember, he's been teasing and making fun of her and generally being an asshole to her for years, and while he thought it was just friendly teasing, she hated him.

Not long after they decide to call a truce luke discovers her secret, bringing the pair closer than ever. Can Luke give her a reason to be happy again?